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Ecom Express Software Developer Interview Questions and Answers
Ecom Express Software Developer Interview Experiences
2 interviews found
Anonymous
Selected
I applied via Approached by Company and was interviewed before Oct 2023. There were 2 interview rounds.
(2 Questions)
- Q1. DSA ROUND - DP problem
- Ans.
Dynamic Programming problem involving finding the maximum sum of non-adjacent elements in an array.
Use dynamic programming to keep track of the maximum sum at each index.
At each index, the maximum sum is either the current element plus the sum two indices back, or the sum at the previous index.
Example: For array [2, 4, 6, 2, 5], the maximum sum of non-adjacent elements is 13 (2 + 6 + 5).
- Q2. DSA ROUND - STRING PROBLEM
- Ans.
Find the longest common prefix among an array of strings.
Iterate through the characters of the first string and compare with other strings
Return the prefix when characters don't match or reach end of any string
Example: Input - ['flower', 'flow', 'flight'], Output - 'fl'
(2 Questions)
- Q1. PROJECT RELATED QUESTIONS
- Q2. DESIGN LRU CACHE
- Ans.
LRU cache is a data structure that stores the most recently used items.
Use a doubly linked list to keep track of the order of items based on their usage.
Use a hashmap to quickly access items in the cache.
When a new item is accessed, move it to the front of the linked list.
If the cache is full, remove the least recently used item from the end of the linked list.
Interview Preparation Tips
- Dynamic programming
- Priority queue
Skills evaluated in this interview
I applied via Recruitment Consultant and was interviewed in Jun 2021. There was 1 interview round.
Interview Questionnaire
1 Question
- Q1. Basic to intermediate questions on data structures and django.
Interview Preparation Tips
Top trending discussions
Interview questions from similar companies
Mamatha Dilish
I applied via Naukri.com and was interviewed in May 2024. There was 1 interview round.
(2 Questions)
- Q1. What is decorator in python
- Ans.
Decorator in Python is a design pattern that allows adding new functionality to an existing object without modifying its structure.
Decorators are functions that take another function as an argument and extend its behavior without explicitly modifying it.
They are commonly used to add logging, timing, caching, or authentication to functions.
Syntax for using decorators in Python involves using the @ symbol followed by the...
- Q2. What is yeild in python
- Ans.
yield is a keyword in Python used in generator functions to return a value without terminating the function
yield is used in generator functions to produce a series of values over time
When a generator function is called, it returns an iterator object but does not start execution immediately
Each time the yield statement is reached, the function's state is saved, and the value is returned to the caller
Execution of the fun...
Interview Preparation Tips
- Python
- Simulation
Skills evaluated in this interview
(1 Question)
- Q1. Whats difference between patch and put
- Ans.
Patch is used to update a specific part of a resource, while put is used to replace the entire resource.
Patch is used for partial updates, while put is used for full updates.
Patch is idempotent, meaning multiple identical patch requests will have the same effect as a single request, while put is not necessarily idempotent.
Example: Using patch to update the title of a blog post without affecting other fields, while usin...
Skills evaluated in this interview
Sachin Sangole
I applied via Naukri.com and was interviewed in May 2024. There was 1 interview round.
(2 Questions)
- Q1. What is restful api
- Ans.
RESTful API is an architectural style for designing networked applications
REST stands for Representational State Transfer
Uses standard HTTP methods like GET, POST, PUT, DELETE
Resources are identified by URIs
Stateless communication between client and server
Responses are typically in JSON or XML format
- Q2. Bootstarp grid system
Skills evaluated in this interview
I applied via Company Website and was interviewed in Apr 2024. There was 1 interview round.
(2 Questions)
- Q1. Introduce yourself.
- Ans.
I am a software developer with 5 years of experience in Java and Python.
Experienced in Java and Python programming languages
Worked on various projects involving web development and data analysis
Familiar with Agile methodologies and version control systems like Git
- Q2. Project related questions.
Selected
I applied via Indeed and was interviewed in Oct 2023. There was 1 interview round.
(2 Questions)
- Q1. Behavioural and Experience based questions
- Q2. Tell be about a time sort of stuff
Interview Preparation Tips
Interview Questionnaire
3 Questions
- Q1. What is callback function
- Ans.
A callback function is a function passed as an argument to another function, which is then invoked inside the outer function.
Callback functions are commonly used in asynchronous programming.
They allow a function to call another function when a certain task is completed.
Callback functions can be anonymous or named functions.
Examples of callback functions include event handlers and AJAX requests.
- Q2. Arrow function
- Q3. Call,apply,bind
(2 Questions)
- Q1. .net C#, Design pattern,Azure Angular ,
- Q2. Web Api, SQL Entity Framework
Interview Preparation Tips
Nishant Yadav
Asked about schema for ecommerce and a coding question
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